Two notable harmonic entropy minima for this MOS pattern are srutal/pajara and shrutar. They are both improper. As for proper scales, I can't think of any.
In addition to the true MOS form, LsssLsss, these scales also have an interesting near-MOS form, LssLssss, in which the period is the only generic interval represented by more than two specific intervals.
Generator
Cents
Comments
0\2
0
1\26
46.15
1\24
50
2\46
52.17
Shrutar is around here
1\22
54.55
1\20
60
1\18
66.67
1\16
75
1\14
85.71
L/s = 4
600/(3+pi)
L/s = pi
1\12
100
L/s = 3
600/(3+e)
L/s = e
3\34
105.88
Srutal/Pajara is around here
8\90
106.67
21\236
106.78
34\382
106.81
13\146
106.85
5\56
107.14
2\22
109.09
1\10
120
Boundary of propriety
(generators larger than this are proper)
In addition to the true MOS form, LsssLsss, these scales also have an interesting near-MOS form, LssLssss, in which the period is the only generic interval represented by more than two specific intervals.
(generators larger than this are proper)